1. not consecrated or blessed; not sacred
Usage: formal
2. wicked or evil; morally corrupt
Usage: literary

Examples

• The ancient burial ground was considered unhallowed by the local church.
• They refused to bury him in unhallowed ground.
• The unhallowed rituals were forbidden by religious law.
• His unhallowed deeds brought shame upon his family.
• The cemetery’s unhallowed section was reserved for outcasts.
• She spoke of unhallowed practices in hushed tones.
• The unhallowed shrine had been abandoned for decades.